fix: make previous MR compile

src/api/client_server/directory.rs

@@ -85,7 +85,7 @@ pub async fn set_room_visibility_route(
 ) -> Result<set_room_visibility::v3::Response> {
     let sender_user = body.sender_user.as_ref().expect("user is authenticated");
 
-    if !db.rooms.exists(&body.room_id)? {
+    if !services().rooms.metadata.exists(&body.room_id)? {
         // Return 404 if the room doesn't exist
         return Err(Error::BadRequest(
             ErrorKind::NotFound,
@@ -117,7 +117,7 @@ pub async fn get_room_visibility_route(
     body: Ruma<get_room_visibility::v3::IncomingRequest>,
 ) -> Result<get_room_visibility::v3::Response> {
 
-    if !db.rooms.exists(&body.room_id)? {
+    if !services().rooms.metadata.exists(&body.room_id)? {
         // Return 404 if the room doesn't exist
         return Err(Error::BadRequest(
             ErrorKind::NotFound,